| Official Name: | Zarni |
| Native Name: | زرني |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Zanjan |
| Subdivision Type2: | County |
| Subdivision Name2: | Tarom |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Chavarzaq |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Chavarzaq |
| Population As Of: | 2006 |
| Population Total: | 172 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 36.8875°N 48.7664°W |
Zarni (Persian: زرني, also Romanized as Zarnī and Zerni) is a village in Chavarzaq Rural District, Chavarzaq District, Tarom County, Zanjan Province, Iran. At the 2006 census, its population was 172, in 39 families.